certain
翻译
确信的, 肯定的, 某一, 特定的
例句
I'm certain that he is right.
我确信他是对的。
A certain person told me the secret.
某个人告诉了我这个秘密。
It is certain to rain tomorrow.
明天肯定会下雨。
语法模式
((that ...)) 确信... I'm certain that she will come.
((about sth.)) 对...有把握 Are you certain about the date?
((to-inf)) 肯定会... He is certain to pass the exam.
a certain ((noun)) 某个... A certain man was at the door.
近义词
同义词: sure, definite; 反义词: uncertain, doubtful
词源
源自拉丁语“certus”，意为“确定的，解决的”。
记忆技巧
想一想“certify”（证明）这个词——使某事变得确定。